Craving a California roll? Watch as sushi chef Lin demonstrates how simple it is to make this delicious Japanese sushi roll at home.First you need nori, which is seaweed. The sushi rice we mix with the rice vinegar and sugar. You have to make sure you have a cup of clear, clean water. This way the rice will not stick to your hands. You also need sesame seed, masago, crab meat and avocados.